Home / 133,345,385.70-200,018,078.55-75,949,757.70

Finding the Fourth Proportional to 133,345,385.70, 200,018,078.55 and 75,949,757.70

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Solution

The fourth proportional to 133,345,385.70, 200,018,078.55 and 75,949,757.70 is: 113,924,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345,385.70 : 200,018,078.55 = 75,949,757.70 : x
  2. Step 2: Convert to fraction form
    133,345,385.70/200,018,078.55 = 75,949,757.70/x
  3. Step 3: Cross multiply
    133,345,385.70x = 200,018,078.55 × 75,949,757.70
  4. Step 4: Simplify right side
    133,345,385.70x = 15,191,324,601,492,068
  5. Step 5: Solve for x
    x = 15,191,324,601,492,068/133,345,385.70
  6. Step 6: Final answer
    x = 113,924,636.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.